Using the GNU Privacy Guard: Agent GETINFO

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#### 2.6.15 Return information about the process

This is a multipurpose function to return a variety of information.

    GETINFO what

The value of what specifies the kind of information returned:

`version`

  Return the version of the program.

`pid`

  Return the process id of the process.

`socket_name`

  Return the name of the socket used to connect the agent.

`ssh_socket_name`

  Return the name of the socket used for SSH connections. If SSH support has not been enabled the error `GPG_ERR_NO_DATA` will be returned.